Modifiy gameSession datamodel constructors and added fields.

tasellielund
mikebrend
lrlebrao
wlparker
Fix compilation error from previous version in getGamesRequestObserver

tasellielund
wlparker
lrlebrao
Fix GetEntitiy and make getEntity in entity manager for gamesession

tasellielund
wlparker
lrlebrao
mikebrend
Made update method in Entity manager for Game session and made game name
non-final

tasellielund
wlparker
lrlebrao
mikebrend
Make AddGameController work, note depreciation of old AddGameController
Methods.

tasellielund
wlparker
lrlebrao